Red Hat Security Advisory

RHSA-2026:1485

RHUI 4.11.3 security update - python-urllib3

Released 2026-01-28 · Red Hat rating Important · View on Red Hat →

Fixed in

RHUI 4 for RHEL 8 python-urllib3-2.6.3-1.el8ui, python3.11-urllib3-2.6.3-1.el8ui

TI-2026-17326 CVE-2026-21441 · GHSA-38jv-5279-wg99

MEDIUM 50

urllib3 is an HTTP client library for Python.

CVSS 4.0HIGH 8.9 Network No auth No interaction EPSS 0.02922 Published 2026-01-07 Partial fix · 2.6.3 CWE-409

TI-2025-40854 CVE-2025-66418 · GHSA-gm62-xv2j-4w53

MEDIUM 46

urllib3 is a user-friendly HTTP client library for Python.

CVSS 4.0HIGH 8.9 Network No auth No interaction EPSS 0.00731 Published 2025-12-05 Partial fix · 2.6.0 CWE-770

TI-2025-40898 CVE-2025-66471 · GHSA-2xpw-w6gg-jr37

MEDIUM 40

urllib3 is a user-friendly HTTP client library for Python.

CVSS 4.0HIGH 8.9 Network No auth No interaction EPSS 0.00731 Published 2025-12-05 Partial fix · 2.6.0 CWE-409